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  • Committer: Bazaar Package Importer
  • Author(s): Reinhard Tartler
  • Date: 2011-03-20 12:09:31 UTC
  • Revision ID: james.westby@ubuntu.com-20110320120931-nfhi9tiok27gxhw1
Tags: upstream-0.6.2
Import upstream version 0.6.2

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libavutil/pixdesc.c
 
1
/*
 
2
 * pixel format descriptor
 
3
 * Copyright (c) 2009 Michael Niedermayer <michaelni@gmx.at>
 
4
 *
 
5
 * This file is part of FFmpeg.
 
6
 *
 
7
 * FFmpeg is free software; you can redistribute it and/or
 
8
 * modify it under the terms of the GNU Lesser General Public
 
9
 * License as published by the Free Software Foundation; either
 
10
 * version 2.1 of the License, or (at your option) any later version.
 
11
 *
 
12
 * FFmpeg is distributed in the hope that it will be useful,
 
13
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
14
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 
15
 * Lesser General Public License for more details.
 
16
 *
 
17
 * You should have received a copy of the GNU Lesser General Public
 
18
 * License along with FFmpeg; if not, write to the Free Software
 
19
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
20
 */
 
21
 
 
22
#include "pixfmt.h"
 
23
#include "pixdesc.h"
 
24
 
 
25
#include "intreadwrite.h"
 
26
 
 
27
void read_line(uint16_t *dst, const uint8_t *data[4], const int linesize[4],
 
28
               const AVPixFmtDescriptor *desc, int x, int y, int c, int w, int read_pal_component)
 
29
{
 
30
    AVComponentDescriptor comp= desc->comp[c];
 
31
    int plane= comp.plane;
 
32
    int depth= comp.depth_minus1+1;
 
33
    int mask = (1<<depth)-1;
 
34
    int shift= comp.shift;
 
35
    int step = comp.step_minus1+1;
 
36
    int flags= desc->flags;
 
37
 
 
38
    if (flags & PIX_FMT_BITSTREAM){
 
39
        int skip = x*step + comp.offset_plus1-1;
 
40
        const uint8_t *p = data[plane] + y*linesize[plane] + (skip>>3);
 
41
        int shift = 8 - depth - (skip&7);
 
42
 
 
43
        while(w--){
 
44
            int val = (*p >> shift) & mask;
 
45
            if(read_pal_component)
 
46
                val= data[1][4*val + c];
 
47
            shift -= step;
 
48
            p -= shift>>3;
 
49
            shift &= 7;
 
50
            *dst++= val;
 
51
        }
 
52
    } else {
 
53
        const uint8_t *p = data[plane]+ y*linesize[plane] + x*step + comp.offset_plus1-1;
 
54
 
 
55
        while(w--){
 
56
            int val;
 
57
            if(flags & PIX_FMT_BE) val= AV_RB16(p);
 
58
            else                   val= AV_RL16(p);
 
59
            val = (val>>shift) & mask;
 
60
            if(read_pal_component)
 
61
                val= data[1][4*val + c];
 
62
            p+= step;
 
63
            *dst++= val;
 
64
        }
 
65
    }
 
66
}
 
67
 
 
68
void write_line(const uint16_t *src, uint8_t *data[4], const int linesize[4],
 
69
                const AVPixFmtDescriptor *desc, int x, int y, int c, int w)
 
70
{
 
71
    AVComponentDescriptor comp = desc->comp[c];
 
72
    int plane = comp.plane;
 
73
    int depth = comp.depth_minus1+1;
 
74
    int step  = comp.step_minus1+1;
 
75
    int flags = desc->flags;
 
76
 
 
77
    if (flags & PIX_FMT_BITSTREAM) {
 
78
        int skip = x*step + comp.offset_plus1-1;
 
79
        uint8_t *p = data[plane] + y*linesize[plane] + (skip>>3);
 
80
        int shift = 8 - depth - (skip&7);
 
81
 
 
82
        while (w--) {
 
83
            *p |= *src++ << shift;
 
84
            shift -= step;
 
85
            p -= shift>>3;
 
86
            shift &= 7;
 
87
        }
 
88
    } else {
 
89
        int shift = comp.shift;
 
90
        uint8_t *p = data[plane]+ y*linesize[plane] + x*step + comp.offset_plus1-1;
 
91
 
 
92
        while (w--) {
 
93
            if (flags & PIX_FMT_BE) {
 
94
                uint16_t val = AV_RB16(p) | (*src++<<shift);
 
95
                AV_WB16(p, val);
 
96
            } else {
 
97
                uint16_t val = AV_RL16(p) | (*src++<<shift);
 
98
                AV_WL16(p, val);
 
99
            }
 
100
            p+= step;
 
101
        }
 
102
    }
 
103
}
 
104
 
 
105
const AVPixFmtDescriptor av_pix_fmt_descriptors[PIX_FMT_NB] = {
 
106
    [PIX_FMT_YUV420P] = {
 
107
        .name = "yuv420p",
 
108
        .nb_components= 3,
 
109
        .log2_chroma_w= 1,
 
110
        .log2_chroma_h= 1,
 
111
        .comp = {
 
112
            {0,0,1,0,7},        /* Y */
 
113
            {1,0,1,0,7},        /* U */
 
114
            {2,0,1,0,7},        /* V */
 
115
        },
 
116
    },
 
117
    [PIX_FMT_YUYV422] = {
 
118
        .name = "yuyv422",
 
119
        .nb_components= 3,
 
120
        .log2_chroma_w= 1,
 
121
        .log2_chroma_h= 0,
 
122
        .comp = {
 
123
            {0,1,1,0,7},        /* Y */
 
124
            {0,3,2,0,7},        /* U */
 
125
            {0,3,4,0,7},        /* V */
 
126
        },
 
127
    },
 
128
    [PIX_FMT_RGB24] = {
 
129
        .name = "rgb24",
 
130
        .nb_components= 3,
 
131
        .log2_chroma_w= 0,
 
132
        .log2_chroma_h= 0,
 
133
        .comp = {
 
134
            {0,2,1,0,7},        /* R */
 
135
            {0,2,2,0,7},        /* G */
 
136
            {0,2,3,0,7},        /* B */
 
137
        },
 
138
    },
 
139
    [PIX_FMT_BGR24] = {
 
140
        .name = "bgr24",
 
141
        .nb_components= 3,
 
142
        .log2_chroma_w= 0,
 
143
        .log2_chroma_h= 0,
 
144
        .comp = {
 
145
            {0,2,1,0,7},        /* B */
 
146
            {0,2,2,0,7},        /* G */
 
147
            {0,2,3,0,7},        /* R */
 
148
        },
 
149
    },
 
150
    [PIX_FMT_YUV422P] = {
 
151
        .name = "yuv422p",
 
152
        .nb_components= 3,
 
153
        .log2_chroma_w= 1,
 
154
        .log2_chroma_h= 0,
 
155
        .comp = {
 
156
            {0,0,1,0,7},        /* Y */
 
157
            {1,0,1,0,7},        /* U */
 
158
            {2,0,1,0,7},        /* V */
 
159
        },
 
160
    },
 
161
    [PIX_FMT_YUV444P] = {
 
162
        .name = "yuv444p",
 
163
        .nb_components= 3,
 
164
        .log2_chroma_w= 0,
 
165
        .log2_chroma_h= 0,
 
166
        .comp = {
 
167
            {0,0,1,0,7},        /* Y */
 
168
            {1,0,1,0,7},        /* U */
 
169
            {2,0,1,0,7},        /* V */
 
170
        },
 
171
    },
 
172
    [PIX_FMT_YUV410P] = {
 
173
        .name = "yuv410p",
 
174
        .nb_components= 3,
 
175
        .log2_chroma_w= 2,
 
176
        .log2_chroma_h= 2,
 
177
        .comp = {
 
178
            {0,0,1,0,7},        /* Y */
 
179
            {1,0,1,0,7},        /* U */
 
180
            {2,0,1,0,7},        /* V */
 
181
        },
 
182
    },
 
183
    [PIX_FMT_YUV411P] = {
 
184
        .name = "yuv411p",
 
185
        .nb_components= 3,
 
186
        .log2_chroma_w= 2,
 
187
        .log2_chroma_h= 0,
 
188
        .comp = {
 
189
            {0,0,1,0,7},        /* Y */
 
190
            {1,0,1,0,7},        /* U */
 
191
            {2,0,1,0,7},        /* V */
 
192
        },
 
193
    },
 
194
    [PIX_FMT_GRAY8] = {
 
195
        .name = "gray",
 
196
        .nb_components= 1,
 
197
        .log2_chroma_w= 0,
 
198
        .log2_chroma_h= 0,
 
199
        .comp = {
 
200
            {0,0,1,0,7},        /* Y */
 
201
        },
 
202
        .flags = PIX_FMT_PAL,
 
203
    },
 
204
    [PIX_FMT_MONOWHITE] = {
 
205
        .name = "monow",
 
206
        .nb_components= 1,
 
207
        .log2_chroma_w= 0,
 
208
        .log2_chroma_h= 0,
 
209
        .comp = {
 
210
            {0,0,1,0,0},        /* Y */
 
211
        },
 
212
        .flags = PIX_FMT_BITSTREAM,
 
213
    },
 
214
    [PIX_FMT_MONOBLACK] = {
 
215
        .name = "monob",
 
216
        .nb_components= 1,
 
217
        .log2_chroma_w= 0,
 
218
        .log2_chroma_h= 0,
 
219
        .comp = {
 
220
            {0,0,1,7,0},        /* Y */
 
221
        },
 
222
        .flags = PIX_FMT_BITSTREAM,
 
223
    },
 
224
    [PIX_FMT_PAL8] = {
 
225
        .name = "pal8",
 
226
        .nb_components= 1,
 
227
        .log2_chroma_w= 0,
 
228
        .log2_chroma_h= 0,
 
229
        .comp = {
 
230
            {0,0,1,0,7},
 
231
        },
 
232
        .flags = PIX_FMT_PAL,
 
233
    },
 
234
    [PIX_FMT_YUVJ420P] = {
 
235
        .name = "yuvj420p",
 
236
        .nb_components= 3,
 
237
        .log2_chroma_w= 1,
 
238
        .log2_chroma_h= 1,
 
239
        .comp = {
 
240
            {0,0,1,0,7},        /* Y */
 
241
            {1,0,1,0,7},        /* U */
 
242
            {2,0,1,0,7},        /* V */
 
243
        },
 
244
    },
 
245
    [PIX_FMT_YUVJ422P] = {
 
246
        .name = "yuvj422p",
 
247
        .nb_components= 3,
 
248
        .log2_chroma_w= 1,
 
249
        .log2_chroma_h= 0,
 
250
        .comp = {
 
251
            {0,0,1,0,7},        /* Y */
 
252
            {1,0,1,0,7},        /* U */
 
253
            {2,0,1,0,7},        /* V */
 
254
        },
 
255
    },
 
256
    [PIX_FMT_YUVJ444P] = {
 
257
        .name = "yuvj444p",
 
258
        .nb_components= 3,
 
259
        .log2_chroma_w= 0,
 
260
        .log2_chroma_h= 0,
 
261
        .comp = {
 
262
            {0,0,1,0,7},        /* Y */
 
263
            {1,0,1,0,7},        /* U */
 
264
            {2,0,1,0,7},        /* V */
 
265
        },
 
266
    },
 
267
    [PIX_FMT_XVMC_MPEG2_MC] = {
 
268
        .name = "xvmcmc",
 
269
        .flags = PIX_FMT_HWACCEL,
 
270
    },
 
271
    [PIX_FMT_XVMC_MPEG2_IDCT] = {
 
272
        .name = "xvmcidct",
 
273
        .flags = PIX_FMT_HWACCEL,
 
274
    },
 
275
    [PIX_FMT_UYVY422] = {
 
276
        .name = "uyvy422",
 
277
        .nb_components= 3,
 
278
        .log2_chroma_w= 1,
 
279
        .log2_chroma_h= 0,
 
280
        .comp = {
 
281
            {0,1,2,0,7},        /* Y */
 
282
            {0,3,1,0,7},        /* U */
 
283
            {0,3,3,0,7},        /* V */
 
284
        },
 
285
    },
 
286
    [PIX_FMT_UYYVYY411] = {
 
287
        .name = "uyyvyy411",
 
288
        .nb_components= 3,
 
289
        .log2_chroma_w= 2,
 
290
        .log2_chroma_h= 0,
 
291
        .comp = {
 
292
            {0,3,2,0,7},        /* Y */
 
293
            {0,5,1,0,7},        /* U */
 
294
            {0,5,4,0,7},        /* V */
 
295
        },
 
296
    },
 
297
    [PIX_FMT_BGR8] = {
 
298
        .name = "bgr8",
 
299
        .nb_components= 3,
 
300
        .log2_chroma_w= 0,
 
301
        .log2_chroma_h= 0,
 
302
        .comp = {
 
303
            {0,0,1,6,1},        /* B */
 
304
            {0,0,1,3,2},        /* G */
 
305
            {0,0,1,0,2},        /* R */
 
306
        },
 
307
        .flags = PIX_FMT_PAL,
 
308
    },
 
309
    [PIX_FMT_BGR4] = {
 
310
        .name = "bgr4",
 
311
        .nb_components= 3,
 
312
        .log2_chroma_w= 0,
 
313
        .log2_chroma_h= 0,
 
314
        .comp = {
 
315
            {0,3,1,0,0},        /* B */
 
316
            {0,3,2,0,1},        /* G */
 
317
            {0,3,4,0,0},        /* R */
 
318
        },
 
319
        .flags = PIX_FMT_BITSTREAM,
 
320
    },
 
321
    [PIX_FMT_BGR4_BYTE] = {
 
322
        .name = "bgr4_byte",
 
323
        .nb_components= 3,
 
324
        .log2_chroma_w= 0,
 
325
        .log2_chroma_h= 0,
 
326
        .comp = {
 
327
            {0,0,1,3,0},        /* B */
 
328
            {0,0,1,1,1},        /* G */
 
329
            {0,0,1,0,0},        /* R */
 
330
        },
 
331
        .flags = PIX_FMT_PAL,
 
332
    },
 
333
    [PIX_FMT_RGB8] = {
 
334
        .name = "rgb8",
 
335
        .nb_components= 3,
 
336
        .log2_chroma_w= 0,
 
337
        .log2_chroma_h= 0,
 
338
        .comp = {
 
339
            {0,0,1,6,1},        /* R */
 
340
            {0,0,1,3,2},        /* G */
 
341
            {0,0,1,0,2},        /* B */
 
342
        },
 
343
        .flags = PIX_FMT_PAL,
 
344
    },
 
345
    [PIX_FMT_RGB4] = {
 
346
        .name = "rgb4",
 
347
        .nb_components= 3,
 
348
        .log2_chroma_w= 0,
 
349
        .log2_chroma_h= 0,
 
350
        .comp = {
 
351
            {0,3,1,0,0},       /* R */
 
352
            {0,3,2,0,1},       /* G */
 
353
            {0,3,4,0,0},       /* B */
 
354
        },
 
355
        .flags = PIX_FMT_BITSTREAM,
 
356
    },
 
357
    [PIX_FMT_RGB4_BYTE] = {
 
358
        .name = "rgb4_byte",
 
359
        .nb_components= 3,
 
360
        .log2_chroma_w= 0,
 
361
        .log2_chroma_h= 0,
 
362
        .comp = {
 
363
            {0,0,1,3,0},        /* R */
 
364
            {0,0,1,1,1},        /* G */
 
365
            {0,0,1,0,0},        /* B */
 
366
        },
 
367
        .flags = PIX_FMT_PAL,
 
368
    },
 
369
    [PIX_FMT_NV12] = {
 
370
        .name = "nv12",
 
371
        .nb_components= 3,
 
372
        .log2_chroma_w= 1,
 
373
        .log2_chroma_h= 1,
 
374
        .comp = {
 
375
            {0,0,1,0,7},        /* Y */
 
376
            {1,1,1,0,7},        /* U */
 
377
            {1,1,2,0,7},        /* V */
 
378
        },
 
379
    },
 
380
    [PIX_FMT_NV21] = {
 
381
        .name = "nv21",
 
382
        .nb_components= 3,
 
383
        .log2_chroma_w= 1,
 
384
        .log2_chroma_h= 1,
 
385
        .comp = {
 
386
            {0,0,1,0,7},        /* Y */
 
387
            {1,1,1,0,7},        /* V */
 
388
            {1,1,2,0,7},        /* U */
 
389
        },
 
390
    },
 
391
    [PIX_FMT_ARGB] = {
 
392
        .name = "argb",
 
393
        .nb_components= 4,
 
394
        .log2_chroma_w= 0,
 
395
        .log2_chroma_h= 0,
 
396
        .comp = {
 
397
            {0,3,1,0,7},        /* A */
 
398
            {0,3,2,0,7},        /* R */
 
399
            {0,3,3,0,7},        /* G */
 
400
            {0,3,4,0,7},        /* B */
 
401
        },
 
402
    },
 
403
    [PIX_FMT_RGBA] = {
 
404
        .name = "rgba",
 
405
        .nb_components= 4,
 
406
        .log2_chroma_w= 0,
 
407
        .log2_chroma_h= 0,
 
408
        .comp = {
 
409
            {0,3,1,0,7},        /* R */
 
410
            {0,3,2,0,7},        /* G */
 
411
            {0,3,3,0,7},        /* B */
 
412
            {0,3,4,0,7},        /* A */
 
413
        },
 
414
    },
 
415
    [PIX_FMT_ABGR] = {
 
416
        .name = "abgr",
 
417
        .nb_components= 4,
 
418
        .log2_chroma_w= 0,
 
419
        .log2_chroma_h= 0,
 
420
        .comp = {
 
421
            {0,3,1,0,7},        /* A */
 
422
            {0,3,2,0,7},        /* B */
 
423
            {0,3,3,0,7},        /* G */
 
424
            {0,3,4,0,7},        /* R */
 
425
        },
 
426
    },
 
427
    [PIX_FMT_BGRA] = {
 
428
        .name = "bgra",
 
429
        .nb_components= 4,
 
430
        .log2_chroma_w= 0,
 
431
        .log2_chroma_h= 0,
 
432
        .comp = {
 
433
            {0,3,1,0,7},        /* B */
 
434
            {0,3,2,0,7},        /* G */
 
435
            {0,3,3,0,7},        /* R */
 
436
            {0,3,4,0,7},        /* A */
 
437
        },
 
438
    },
 
439
    [PIX_FMT_GRAY16BE] = {
 
440
        .name = "gray16be",
 
441
        .nb_components= 1,
 
442
        .log2_chroma_w= 0,
 
443
        .log2_chroma_h= 0,
 
444
        .comp = {
 
445
            {0,1,1,0,15},       /* Y */
 
446
        },
 
447
        .flags = PIX_FMT_BE,
 
448
    },
 
449
    [PIX_FMT_GRAY16LE] = {
 
450
        .name = "gray16le",
 
451
        .nb_components= 1,
 
452
        .log2_chroma_w= 0,
 
453
        .log2_chroma_h= 0,
 
454
        .comp = {
 
455
            {0,1,1,0,15},       /* Y */
 
456
        },
 
457
    },
 
458
    [PIX_FMT_YUV440P] = {
 
459
        .name = "yuv440p",
 
460
        .nb_components= 3,
 
461
        .log2_chroma_w= 0,
 
462
        .log2_chroma_h= 1,
 
463
        .comp = {
 
464
            {0,0,1,0,7},        /* Y */
 
465
            {1,0,1,0,7},        /* U */
 
466
            {2,0,1,0,7},        /* V */
 
467
        },
 
468
    },
 
469
    [PIX_FMT_YUVJ440P] = {
 
470
        .name = "yuvj440p",
 
471
        .nb_components= 3,
 
472
        .log2_chroma_w= 0,
 
473
        .log2_chroma_h= 1,
 
474
        .comp = {
 
475
            {0,0,1,0,7},        /* Y */
 
476
            {1,0,1,0,7},        /* U */
 
477
            {2,0,1,0,7},        /* V */
 
478
        },
 
479
    },
 
480
    [PIX_FMT_YUVA420P] = {
 
481
        .name = "yuva420p",
 
482
        .nb_components= 4,
 
483
        .log2_chroma_w= 1,
 
484
        .log2_chroma_h= 1,
 
485
        .comp = {
 
486
            {0,0,1,0,7},        /* Y */
 
487
            {1,0,1,0,7},        /* U */
 
488
            {2,0,1,0,7},        /* V */
 
489
            {3,0,1,0,7},        /* A */
 
490
        },
 
491
    },
 
492
    [PIX_FMT_VDPAU_H264] = {
 
493
        .name = "vdpau_h264",
 
494
        .log2_chroma_w = 1,
 
495
        .log2_chroma_h = 1,
 
496
        .flags = PIX_FMT_HWACCEL,
 
497
    },
 
498
    [PIX_FMT_VDPAU_MPEG1] = {
 
499
        .name = "vdpau_mpeg1",
 
500
        .log2_chroma_w = 1,
 
501
        .log2_chroma_h = 1,
 
502
        .flags = PIX_FMT_HWACCEL,
 
503
    },
 
504
    [PIX_FMT_VDPAU_MPEG2] = {
 
505
        .name = "vdpau_mpeg2",
 
506
        .log2_chroma_w = 1,
 
507
        .log2_chroma_h = 1,
 
508
        .flags = PIX_FMT_HWACCEL,
 
509
    },
 
510
    [PIX_FMT_VDPAU_WMV3] = {
 
511
        .name = "vdpau_wmv3",
 
512
        .log2_chroma_w = 1,
 
513
        .log2_chroma_h = 1,
 
514
        .flags = PIX_FMT_HWACCEL,
 
515
    },
 
516
    [PIX_FMT_VDPAU_VC1] = {
 
517
        .name = "vdpau_vc1",
 
518
        .log2_chroma_w = 1,
 
519
        .log2_chroma_h = 1,
 
520
        .flags = PIX_FMT_HWACCEL,
 
521
    },
 
522
    [PIX_FMT_VDPAU_MPEG4] = {
 
523
        .name = "vdpau_mpeg4",
 
524
        .log2_chroma_w = 1,
 
525
        .log2_chroma_h = 1,
 
526
        .flags = PIX_FMT_HWACCEL,
 
527
    },
 
528
    [PIX_FMT_RGB48BE] = {
 
529
        .name = "rgb48be",
 
530
        .nb_components= 3,
 
531
        .log2_chroma_w= 0,
 
532
        .log2_chroma_h= 0,
 
533
        .comp = {
 
534
            {0,5,1,0,15},       /* R */
 
535
            {0,5,3,0,15},       /* G */
 
536
            {0,5,5,0,15},       /* B */
 
537
        },
 
538
        .flags = PIX_FMT_BE,
 
539
    },
 
540
    [PIX_FMT_RGB48LE] = {
 
541
        .name = "rgb48le",
 
542
        .nb_components= 3,
 
543
        .log2_chroma_w= 0,
 
544
        .log2_chroma_h= 0,
 
545
        .comp = {
 
546
            {0,5,1,0,15},       /* R */
 
547
            {0,5,3,0,15},       /* G */
 
548
            {0,5,5,0,15},       /* B */
 
549
        },
 
550
    },
 
551
    [PIX_FMT_RGB565BE] = {
 
552
        .name = "rgb565be",
 
553
        .nb_components= 3,
 
554
        .log2_chroma_w= 0,
 
555
        .log2_chroma_h= 0,
 
556
        .comp = {
 
557
            {0,1,0,3,4},        /* R */
 
558
            {0,1,1,5,5},        /* G */
 
559
            {0,1,1,0,4},        /* B */
 
560
        },
 
561
        .flags = PIX_FMT_BE,
 
562
    },
 
563
    [PIX_FMT_RGB565LE] = {
 
564
        .name = "rgb565le",
 
565
        .nb_components= 3,
 
566
        .log2_chroma_w= 0,
 
567
        .log2_chroma_h= 0,
 
568
        .comp = {
 
569
            {0,1,2,3,4},        /* R */
 
570
            {0,1,1,5,5},        /* G */
 
571
            {0,1,1,0,4},        /* B */
 
572
        },
 
573
    },
 
574
    [PIX_FMT_RGB555BE] = {
 
575
        .name = "rgb555be",
 
576
        .nb_components= 3,
 
577
        .log2_chroma_w= 0,
 
578
        .log2_chroma_h= 0,
 
579
        .comp = {
 
580
            {0,1,0,2,4},        /* R */
 
581
            {0,1,1,5,4},        /* G */
 
582
            {0,1,1,0,4},        /* B */
 
583
        },
 
584
        .flags = PIX_FMT_BE,
 
585
    },
 
586
    [PIX_FMT_RGB555LE] = {
 
587
        .name = "rgb555le",
 
588
        .nb_components= 3,
 
589
        .log2_chroma_w= 0,
 
590
        .log2_chroma_h= 0,
 
591
        .comp = {
 
592
            {0,1,2,2,4},        /* R */
 
593
            {0,1,1,5,4},        /* G */
 
594
            {0,1,1,0,4},        /* B */
 
595
        },
 
596
    },
 
597
    [PIX_FMT_RGB444BE] = {
 
598
        .name = "rgb444be",
 
599
        .nb_components= 3,
 
600
        .log2_chroma_w= 0,
 
601
        .log2_chroma_h= 0,
 
602
        .comp = {
 
603
            {0,1,0,0,3},        /* R */
 
604
            {0,1,1,4,3},        /* G */
 
605
            {0,1,1,0,3},        /* B */
 
606
        },
 
607
        .flags = PIX_FMT_BE,
 
608
    },
 
609
    [PIX_FMT_RGB444LE] = {
 
610
        .name = "rgb444le",
 
611
        .nb_components= 3,
 
612
        .log2_chroma_w= 0,
 
613
        .log2_chroma_h= 0,
 
614
        .comp = {
 
615
            {0,1,2,0,3},        /* R */
 
616
            {0,1,1,4,3},        /* G */
 
617
            {0,1,1,0,3},        /* B */
 
618
        },
 
619
    },
 
620
    [PIX_FMT_BGR565BE] = {
 
621
        .name = "bgr565be",
 
622
        .nb_components= 3,
 
623
        .log2_chroma_w= 0,
 
624
        .log2_chroma_h= 0,
 
625
        .comp = {
 
626
            {0,1,0,3,4},        /* B */
 
627
            {0,1,1,5,5},        /* G */
 
628
            {0,1,1,0,4},        /* R */
 
629
        },
 
630
        .flags = PIX_FMT_BE,
 
631
    },
 
632
    [PIX_FMT_BGR565LE] = {
 
633
        .name = "bgr565le",
 
634
        .nb_components= 3,
 
635
        .log2_chroma_w= 0,
 
636
        .log2_chroma_h= 0,
 
637
        .comp = {
 
638
            {0,1,2,3,4},        /* B */
 
639
            {0,1,1,5,5},        /* G */
 
640
            {0,1,1,0,4},        /* R */
 
641
        },
 
642
    },
 
643
    [PIX_FMT_BGR555BE] = {
 
644
        .name = "bgr555be",
 
645
        .nb_components= 3,
 
646
        .log2_chroma_w= 0,
 
647
        .log2_chroma_h= 0,
 
648
        .comp = {
 
649
            {0,1,0,2,4},       /* B */
 
650
            {0,1,1,5,4},       /* G */
 
651
            {0,1,1,0,4},       /* R */
 
652
        },
 
653
        .flags = PIX_FMT_BE,
 
654
     },
 
655
    [PIX_FMT_BGR555LE] = {
 
656
        .name = "bgr555le",
 
657
        .nb_components= 3,
 
658
        .log2_chroma_w= 0,
 
659
        .log2_chroma_h= 0,
 
660
        .comp = {
 
661
            {0,1,2,2,4},        /* B */
 
662
            {0,1,1,5,4},        /* G */
 
663
            {0,1,1,0,4},        /* R */
 
664
        },
 
665
    },
 
666
    [PIX_FMT_BGR444BE] = {
 
667
        .name = "bgr444be",
 
668
        .nb_components= 3,
 
669
        .log2_chroma_w= 0,
 
670
        .log2_chroma_h= 0,
 
671
        .comp = {
 
672
            {0,1,0,0,3},       /* B */
 
673
            {0,1,1,4,3},       /* G */
 
674
            {0,1,1,0,3},       /* R */
 
675
        },
 
676
        .flags = PIX_FMT_BE,
 
677
     },
 
678
    [PIX_FMT_BGR444LE] = {
 
679
        .name = "bgr444le",
 
680
        .nb_components= 3,
 
681
        .log2_chroma_w= 0,
 
682
        .log2_chroma_h= 0,
 
683
        .comp = {
 
684
            {0,1,2,0,3},        /* B */
 
685
            {0,1,1,4,3},        /* G */
 
686
            {0,1,1,0,3},        /* R */
 
687
        },
 
688
    },
 
689
    [PIX_FMT_VAAPI_MOCO] = {
 
690
        .name = "vaapi_moco",
 
691
        .log2_chroma_w = 1,
 
692
        .log2_chroma_h = 1,
 
693
        .flags = PIX_FMT_HWACCEL,
 
694
    },
 
695
    [PIX_FMT_VAAPI_IDCT] = {
 
696
        .name = "vaapi_idct",
 
697
        .log2_chroma_w = 1,
 
698
        .log2_chroma_h = 1,
 
699
        .flags = PIX_FMT_HWACCEL,
 
700
    },
 
701
    [PIX_FMT_VAAPI_VLD] = {
 
702
        .name = "vaapi_vld",
 
703
        .log2_chroma_w = 1,
 
704
        .log2_chroma_h = 1,
 
705
        .flags = PIX_FMT_HWACCEL,
 
706
    },
 
707
    [PIX_FMT_YUV420P16LE] = {
 
708
        .name = "yuv420p16le",
 
709
        .nb_components= 3,
 
710
        .log2_chroma_w= 1,
 
711
        .log2_chroma_h= 1,
 
712
        .comp = {
 
713
            {0,1,1,0,15},        /* Y */
 
714
            {1,1,1,0,15},        /* U */
 
715
            {2,1,1,0,15},        /* V */
 
716
        },
 
717
    },
 
718
    [PIX_FMT_YUV420P16BE] = {
 
719
        .name = "yuv420p16be",
 
720
        .nb_components= 3,
 
721
        .log2_chroma_w= 1,
 
722
        .log2_chroma_h= 1,
 
723
        .comp = {
 
724
            {0,1,1,0,15},        /* Y */
 
725
            {1,1,1,0,15},        /* U */
 
726
            {2,1,1,0,15},        /* V */
 
727
        },
 
728
        .flags = PIX_FMT_BE,
 
729
    },
 
730
    [PIX_FMT_YUV422P16LE] = {
 
731
        .name = "yuv422p16le",
 
732
        .nb_components= 3,
 
733
        .log2_chroma_w= 1,
 
734
        .log2_chroma_h= 0,
 
735
        .comp = {
 
736
            {0,1,1,0,15},        /* Y */
 
737
            {1,1,1,0,15},        /* U */
 
738
            {2,1,1,0,15},        /* V */
 
739
        },
 
740
    },
 
741
    [PIX_FMT_YUV422P16BE] = {
 
742
        .name = "yuv422p16be",
 
743
        .nb_components= 3,
 
744
        .log2_chroma_w= 1,
 
745
        .log2_chroma_h= 0,
 
746
        .comp = {
 
747
            {0,1,1,0,15},        /* Y */
 
748
            {1,1,1,0,15},        /* U */
 
749
            {2,1,1,0,15},        /* V */
 
750
        },
 
751
        .flags = PIX_FMT_BE,
 
752
    },
 
753
    [PIX_FMT_YUV444P16LE] = {
 
754
        .name = "yuv444p16le",
 
755
        .nb_components= 3,
 
756
        .log2_chroma_w= 0,
 
757
        .log2_chroma_h= 0,
 
758
        .comp = {
 
759
            {0,1,1,0,15},        /* Y */
 
760
            {1,1,1,0,15},        /* U */
 
761
            {2,1,1,0,15},        /* V */
 
762
        },
 
763
    },
 
764
    [PIX_FMT_YUV444P16BE] = {
 
765
        .name = "yuv444p16be",
 
766
        .nb_components= 3,
 
767
        .log2_chroma_w= 0,
 
768
        .log2_chroma_h= 0,
 
769
        .comp = {
 
770
            {0,1,1,0,15},        /* Y */
 
771
            {1,1,1,0,15},        /* U */
 
772
            {2,1,1,0,15},        /* V */
 
773
        },
 
774
        .flags = PIX_FMT_BE,
 
775
    },
 
776
    [PIX_FMT_DXVA2_VLD] = {
 
777
        .name = "dxva2_vld",
 
778
        .log2_chroma_w = 1,
 
779
        .log2_chroma_h = 1,
 
780
        .flags = PIX_FMT_HWACCEL,
 
781
    },
 
782
    [PIX_FMT_Y400A] = {
 
783
        .name = "y400a",
 
784
        .nb_components= 2,
 
785
        .comp = {
 
786
            {0,1,1,0,7},        /* Y */
 
787
            {0,1,2,0,7},        /* A */
 
788
        },
 
789
    },
 
790
};
 
791
 
 
792
static enum PixelFormat get_pix_fmt_internal(const char *name)
 
793
{
 
794
    enum PixelFormat pix_fmt;
 
795
 
 
796
    for (pix_fmt = 0; pix_fmt < PIX_FMT_NB; pix_fmt++)
 
797
        if (av_pix_fmt_descriptors[pix_fmt].name &&
 
798
            !strcmp(av_pix_fmt_descriptors[pix_fmt].name, name))
 
799
            return pix_fmt;
 
800
 
 
801
    return PIX_FMT_NONE;
 
802
}
 
803
 
 
804
#if HAVE_BIGENDIAN
 
805
#   define X_NE(be, le) be
 
806
#else
 
807
#   define X_NE(be, le) le
 
808
#endif
 
809
 
 
810
enum PixelFormat av_get_pix_fmt(const char *name)
 
811
{
 
812
    enum PixelFormat pix_fmt;
 
813
 
 
814
    if (!strcmp(name, "rgb32"))
 
815
        name = X_NE("argb", "bgra");
 
816
    else if (!strcmp(name, "bgr32"))
 
817
        name = X_NE("abgr", "rgba");
 
818
 
 
819
    pix_fmt = get_pix_fmt_internal(name);
 
820
    if (pix_fmt == PIX_FMT_NONE) {
 
821
        char name2[32];
 
822
 
 
823
        snprintf(name2, sizeof(name2), "%s%s", name, X_NE("be", "le"));
 
824
        pix_fmt = get_pix_fmt_internal(name2);
 
825
    }
 
826
    return pix_fmt;
 
827
}
 
828
 
 
829
int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)
 
830
{
 
831
    int c, bits = 0;
 
832
    int log2_pixels = pixdesc->log2_chroma_w + pixdesc->log2_chroma_h;
 
833
 
 
834
    for (c = 0; c < pixdesc->nb_components; c++) {
 
835
        int s = c==1 || c==2 ? 0 : log2_pixels;
 
836
        bits += (pixdesc->comp[c].depth_minus1+1) << s;
 
837
    }
 
838
 
 
839
    return bits >> log2_pixels;
 
840
}